Reverse Dictionary: ATOM

NOUNS
1330 — CROT a particle, bit, atom, individual piece → obs.
1386 TARE an atom, a jot, a whit; a very small particle atom → obs.
1528 ACE  an atom, a jot, a particle; a minute portion 
1823 — SMIGGOT a particle, an atom Eng. dial.
1824 YIM an atom, a particle; the smallest portion of anything → Sc.
.M19 — OAT an atom; the tiniest amount → sl.
1872 THRUM an atom, a particle → Sc.
1889 SCRIDDICK → SKIRDICK → SKRIDDICK an atom, a particle; the smallest coin → Eng. dial.
1900 DAW an atom, a jot, a particle → Sc. (Bk.)